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Finding the Fourth Proportional to 426,453.45, 588,508.62 and 232,862.51

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Solution

The fourth proportional to 426,453.45, 588,508.62 and 232,862.51 is: 321,351.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,453.45 : 588,508.62 = 232,862.51 : x
  2. Step 2: Convert to fraction form
    426,453.45/588,508.62 = 232,862.51/x
  3. Step 3: Cross multiply
    426,453.45x = 588,508.62 × 232,862.51
  4. Step 4: Simplify right side
    426,453.45x = 137,041,592,800.97
  5. Step 5: Solve for x
    x = 137,041,592,800.97/426,453.45
  6. Step 6: Final answer
    x = 321,351.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.